CN113338824B - Active three drilling tool conveyors - Google Patents
Active three drilling tool conveyors Download PDFInfo
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- CN113338824B CN113338824B CN202110784001.XA CN202110784001A CN113338824B CN 113338824 B CN113338824 B CN 113338824B CN 202110784001 A CN202110784001 A CN 202110784001A CN 113338824 B CN113338824 B CN 113338824B
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- bearing platform
- discharging
- hydraulic cylinder
- groove
- feeding
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/146—Carousel systems, i.e. rotating rack systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The active three drilling tool conveyors relate to the technical field of drilling equipment and comprise a bearing platform and a groove discharging mechanism, wherein a V-shaped groove is formed in the bearing platform, and a first auxiliary groove body and a second auxiliary groove body are respectively arranged on two sides of the V-shaped groove in the width direction; a plurality of feeding mechanisms and a plurality of discharging mechanisms are arranged along the extending direction of the first auxiliary tank body, and each feeding mechanism comprises a feeding inclined plate which is rotatably connected with the bearing platform; the discharging mechanism comprises a discharging inclined plate which is rotatably connected with the bearing platform; the V type inslot is equipped with a plurality of grooving mechanisms along the extending direction in V type groove, and grooving mechanism includes the grooving rocking arm with load-bearing platform rotatable coupling, and the free end of grooving rocking arm can rotate to the cell body edge in V type groove, with the drilling tool by V type inslot release to first pair cell body or the vice cell body of second in. The active three-drilling-tool conveyor can actively convey the three loaded drilling tools to a drilling platform or a pipe bridge one by one, so that the conveying efficiency of the drilling tools is greatly improved.
Description
Technical Field
The invention relates to the technical field of petroleum equipment, in particular to three active drilling tool conveyors.
Background
In order to solve the problems of difficult conveying of drilling tools in drilling operation and the like, improve the operation efficiency, reduce the safety risk and lighten the labor intensity of drilling workers, in recent years, a drilling tool conveyor developed by equipment manufacturers replaces the traditional conveying mode, and the using effect is good.
Currently, there are several types of drill conveyors: 1. the conveyor adopts an 'one-on-one' conveying mode, is the earliest matched conveyor in China, has the defect of low overall efficiency, and is basically not matched at present. 2. The drilling tool conveyor is the most newly-configured type at present, and the biggest characteristic of the machine is that the characteristics of getting rid of drilling device, power catwalk are integrated into the drilling tool conveyor, have improved work efficiency to a certain extent, and the problem of going up drilling rod inefficiency still can't be solved alone. 3. The single-groove three-blade conveying type drilling tool conveyor is a main mode for solving three feeding problems at present. The problem of feeding root and head error when the mode is the largest is solved, and although three feeding are solved, the passive root and head error mode causes limited improvement of the overall efficiency.
Therefore, how to design an active three-drill-tool conveyor capable of actively conveying a drill tool to a drilling platform becomes a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention provides an active three-drill-tool conveyor aiming at the technical problems in the prior art, which is provided with three groove bodies for bearing drill tools and can transfer the drill tools among the three groove bodies.
In order to achieve the above technical object, an embodiment of the present invention provides an active three-drill-tool conveyor, including:
the bearing platform is provided with a V-shaped groove, a first auxiliary groove body and a second auxiliary groove body are respectively arranged on two sides of the V-shaped groove in the width direction, and the extending directions of the V-shaped groove, the first auxiliary groove body and the second auxiliary groove body are the same as that of the bearing platform;
a plurality of feeding mechanisms and a plurality of discharging mechanisms are distributed along the extending direction of the first auxiliary groove body,
the feeding mechanism comprises a feeding inclined plate which is rotatably connected with the bearing platform, a first top inclined edge is obliquely arranged on the feeding inclined plate, and when the feeding inclined plate rotates to a vertical state, the height of one side, close to the V-shaped groove, of the top inclined edge of the feeding inclined plate is lower than that of the opposite side of the top inclined edge;
the discharging mechanism comprises a discharging inclined plate which is rotatably connected with the bearing platform, a second top inclined edge which is obliquely arranged is arranged on the discharging inclined plate, and when the discharging inclined plate rotates to a vertical state, the height of one side, close to the V-shaped groove, of the top inclined edge of the discharging inclined plate is higher than that of the opposite side of the top inclined edge of the discharging inclined plate;
a plurality of groove outlet mechanisms are arranged in the V-shaped groove along the extending direction of the V-shaped groove, each groove outlet mechanism comprises a groove outlet rotating arm which is rotatably connected with the bearing platform, each groove outlet rotating arm has a first state and a second state, and in the first state, each groove outlet rotating arm is hidden in the bearing platform; in the second state, the free end of the groove outlet rotating arm can rotate to the edge of the groove body of the V-shaped groove, so that the drilling tool can be pushed out from the V-shaped groove into the first auxiliary groove body or the second auxiliary groove body.
Furthermore, the feeding mechanism further comprises a feeding hydraulic cylinder and a feeding rotating arm, the feeding rotating arm is fixedly connected with the feeding inclined plate, one end of the feeding hydraulic cylinder is pivoted with the bearing platform, and the other end of the feeding hydraulic cylinder is pivoted with the feeding rotating arm.
Furthermore, the discharging mechanism comprises a discharging hydraulic cylinder and a discharging rotating arm, the discharging rotating arm is fixedly connected with the discharging inclined plate, one end of the discharging hydraulic cylinder is pivoted with the bearing platform, and the other end of the discharging hydraulic cylinder is pivoted with the discharging rotating arm.
Furthermore, the three drilling tool conveyors further comprise a rack, a ramp and a support arm, one end of the ramp is fixedly connected with the rack, the other end of the ramp is connected with the drilling platform, one end of the bearing platform, which is close to the drilling platform, can slide along the rack and a track on the ramp, the other end of the bearing platform is pivoted with one end of the support arm, and the other end of the support arm can slide along a track on the rack.
Further, at least one side of the width direction of frame is equipped with the pipe crane span structure, be equipped with panel turnover mechanism in the frame, panel turnover mechanism includes the panel turnover body, first support hydraulic cylinder and second support hydraulic cylinder, first support hydraulic cylinder with the second supports the hydraulic cylinder and is located the downside of panel turnover body, first support hydraulic cylinder with the second support hydraulic cylinder all with frame rotatable coupling, the piston rod of first support hydraulic cylinder with the one end pin joint of panel turnover body, the piston rod of second support hydraulic cylinder with the other end pin joint of panel turnover body.
Furthermore, a dead rope device and a first fixed pulley are arranged on the lower side of the bearing platform, a winch and a second fixed pulley are arranged on the ramp, and the free end of a steel wire rope wound on the winch bypasses the second fixed pulley and the first fixed pulley to be connected with the dead rope device;
the ramp is also provided with a falling prevention mechanism which can prevent the bearing platform from falling,
the rope stopper is provided with a tension sensor which is connected with a controller,
when the height above the ground is greater than a set height in the lifting or descending process of the bearing platform, and if the tension value detected by the tension sensor is smaller than a preset value, the controller controls the anti-falling mechanism to act.
Furthermore, a roller and a supporting fixed pin shaft are arranged on the lower side of one end, close to the drilling platform, of the bearing platform, and the supporting fixed pin shaft is fixedly connected with the bearing platform; a track is arranged on the ramp, and a roller of the bearing platform is matched with the track;
the anti-falling mechanism further comprises a plurality of locking blocks, the locking blocks are rotatably connected with the ramp and have a first state and a second state, and in the first state, the locking blocks are hidden at the lower side of the track of the ramp; in the second state, one end of the locking block rotates to the upper side of the track and is used for blocking the supporting and fixing pin shaft.
Furthermore, the anti-falling mechanism also comprises an anti-falling hydraulic cylinder and a push rod, wherein the push rod is respectively pivoted with the locking block and used for pushing the locking block to act; one end of the anti-falling hydraulic cylinder is pivoted with the ramp, and the other end of the anti-falling hydraulic cylinder is pivoted with the push rod.
Furthermore, the number of the first fixed pulleys and the number of the second fixed pulleys are two, two steel wire ropes are wound on the winch, and the two steel wire ropes are fixedly connected with the dead rope device by respectively winding the second fixed pulleys and the first fixed pulleys; and the dead rope device is provided with two tension sensors which are respectively connected with the two steel wire ropes.
Furthermore, the groove discharging mechanism comprises a groove discharging hydraulic cylinder, one end of the groove discharging hydraulic cylinder is pivoted with the bearing platform, and the other end of the groove discharging hydraulic cylinder is pivoted with the groove discharging rotating arm;
a push plate is fixed at the free end of the groove outlet rotating arm; the V-shaped groove is provided with a through hole part allowing the groove outlet rotating arm to pass through; when the groove outlet rotating arm is in a first state, the upper surface of the push plate is flush with the inner surface of the V-shaped groove or lower than the inner surface of the V-shaped groove.
Furthermore, the winch is a hydraulic winch, an absolute value type encoder is arranged on the hydraulic winch, and the absolute value type encoder is used for calibrating a top end limit position, a bottom end limit position and a transition node position in the running process of the bearing platform; the absolute value type encoder is connected with a controller, and the controller is connected with a hydraulic winch through a hydraulic system; the controller can control the rotating speed of the hydraulic winch through a hydraulic system, and when the bearing platform runs to the top end limit position, the top end limit position and the transition node position, the ascending or descending speed of the bearing platform is controlled to be reduced.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages: bearing platform's upside middle part is V type groove, is equipped with first vice cell body in the left side in V type groove, is equipped with the vice cell body of second on the right side in V type groove, and the extending direction in the vice cell body of first pair cell body, the vice cell body of second and V type groove all is the same with bearing platform's extending direction. The first auxiliary groove body, the second auxiliary groove body and the V-shaped groove can simultaneously load three drilling tools to be conveyed upwards to a drilling platform or conveyed to the ground from the drilling platform, and the conveying efficiency of the drilling tools is greatly improved.
Further, the feeding mechanism can transfer drilling tools in the first auxiliary groove body and the second auxiliary groove body into the V-shaped groove; the unloading mechanism can transfer the drilling tools in the first auxiliary tank body and the second auxiliary tank body to the pipe bridge frame. The groove outlet mechanism can transfer the drilling tool in the V-shaped groove to the first auxiliary groove body and the second auxiliary groove body. Therefore, the invention realizes the transfer of the drilling tools in the V-shaped groove, the first auxiliary groove body and the second auxiliary groove body, can actively convey the drilling tools to the drilling platform and further improves the conveying efficiency of the drilling tools.
Drawings
Fig. 1 is a schematic structural diagram of an active three-drill-tool conveyor according to an embodiment of the present invention.
Fig. 2 is a top view of an active three-drill-conveyor of one embodiment of the present invention.
Fig. 3 is a schematic structural diagram of first and second auxiliary troughs of an active three-drill-tool conveyor according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of the loading principle of an active three-drill-tool conveyor according to an embodiment of the present invention.
Fig. 5 is a schematic view of the discharging principle of an active three-drill-tool conveyor according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a carrying platform of an active three-drill-tool conveyor according to an embodiment of the present invention and a partial enlarged view thereof.
Fig. 7 is a schematic structural diagram of a groove discharging mechanism of an active three-drill-tool conveyor according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a loading mechanism and a unloading mechanism of an active three-drill-tool conveyor according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a fall-prevention mechanism according to an embodiment of the present invention.
Fig. 10 is a diagram illustrating the relationship between the elevation height and the elevation speed of the active three-drill-conveyer carrying platform according to an embodiment of the present invention.
Description of the reference numerals
100-bearing platform, 110-V-shaped groove, 111-inclined plane part, 112-through hole part, 113-long groove, 114-near-end roller and 115-far-end roller;
120-grooving mechanism, 121-first lug seat, 122-grooving rotating arm, 1221-first rotating arm, 1222-second rotating arm, 123-grooving hydraulic cylinder, 124-push plate,
130-a first auxiliary groove body, 140-a second auxiliary groove body,
150-feeding mechanism, 151-feeding lug seat, 152-feeding cylinder, 153-feeding rotary arm, 154-feeding inclined plate,
160-a discharging mechanism, 161-a discharging lug seat, 162-a discharging hydraulic cylinder, 163-a discharging rotating arm, 164-a discharging inclined plate,
170-supporting the fixed pin shaft,
180-dead rope device, 190-first fixed pulley,
200-ramp, 210-anti-falling mechanism, 211-locking block, 212-anti-falling hydraulic cylinder, 213-push rod, 214-supporting seat, 220-steel wire rope, 230-second fixed pulley, 240-winch,
300-frame, 400-support arm, 500-drilling platform, 600-hydraulic station, 700-pipe bridge,
710-a plate turnover mechanism, 711-a plate turnover body, 712-a first supporting hydraulic cylinder, 713-a second supporting hydraulic cylinder and 720-a stop block;
800-pulley mechanism, 810-first sprocket, 820-second sprocket, 830-pulley body.
Detailed Description
Other objects and advantages of the present invention will become apparent from the following explanation of the preferred embodiments of the present application.
Fig. 1 is a schematic structural diagram of an active three-drill-tool conveyor according to an embodiment of the present invention.
As shown in fig. 1, an active three drilling tool conveyor is used to convey three drilling tools at a time to a drilling platform 500 or three drilling tools from the drilling platform 500 to the surface. The conveyor can actively convey drilling tools to the drilling platform 500 as required, and the working efficiency of the equipment is greatly improved.
The active three-drill conveyor includes a load-bearing platform 100, a ramp 200, a frame 300, support arms 400, a hydraulic station 600, and a pipe bridge 700. Wherein one end of the frame 300 faces the drilling platform 500. The ramp 200 is arranged obliquely, the lower end of the ramp 200 is connected with the frame 300, and the upper end of the ramp 200 is connected with the drilling platform 500.
One end of the supporting platform 100 is pivotally connected to the supporting arm 400, and the other end thereof can be connected to the frame 300 and the ramp 200 via rollers. The ramp 200 is provided with a winch 240, a steel wire rope 220 on the winch 240 sequentially passes around the second fixed pulley 230 on the ramp 200, and the first fixed pulley 190 on the bearing platform 100 are fixedly connected with the dead line device 180. The dead line device 180 is provided with a tension sensor for detecting a tension value on the steel wire rope 220. The tension sensor is connected with the controller, and the tension sensor can transmit the measured tension value to the controller. When the bearing platform lifts 100 or descends, the height from the ground is greater than the set height, and if the tension value detected by the tension sensor is smaller than the preset value, the controller controls the anti-falling mechanism to act, so that safety accidents caused by falling of the bearing platform 100 are prevented.
Preferably, two first fixed pulleys 190 are arranged on the lower side of the load-bearing platform 100, and two second fixed pulleys 230 are arranged on the ramp 200, and are symmetrically arranged on two sides of the load-bearing platform 100 and the ramp 200. The two wire ropes 220 are respectively connected to the dead rope unit 180 by passing around two second fixed pulleys 230 and two first fixed pulleys 190. The dead line device 180 is provided with two tension sensors, and the two tension sensors are respectively connected with the two steel wire ropes 220. The winch 240 has two drums for winding the two wire ropes. When one of the steel wire ropes is broken, the other steel wire rope still can work normally, and the use safety of the equipment is improved.
When the drilling tool is conveyed upwards, the winch 240 pulls the steel cable 220, so that the bearing platform 100 can be pulled to move upwards through the steel cable 220, the roller at one end of the bearing platform 100 close to the ramp 200 rolls upwards along the track on the ramp 200, and the other end of the bearing platform 100 moves upwards under the supporting action of the supporting arm 400. The drilling tool is then pushed by the trolley mechanism 800 to transport the drilling tool towards the drilling platform 500.
When the drilling tool is conveyed downwards, the winch 240 releases the steel wire rope 220, the bearing platform 100 moves downwards under the action of gravity, the roller at one end of the bearing platform 100 close to the ramp 200 moves downwards along the track on the ramp 200, and the other end of the bearing platform 100 moves downwards under the supporting action of the supporting arm 400.
Fig. 2 is a top view of an active three-drill-conveyor of one embodiment of the present invention.
As shown in fig. 2, a pipe bridge 700 is provided at one side or both sides of the bracket in the width direction, and the pipe bridge 700 is used for placing a drilling tool such as a drilling tool or an oil pipe. The hydraulic station 600 is used to supply hydraulic oil to hydraulic components such as hydraulic cylinders and hydraulic motors.
Fig. 3 is a schematic structural diagram of the first sub-tank 130 and the second sub-tank 140 of the active three-drill-conveyer according to an embodiment of the present invention.
As shown in fig. 3, the middle part of the upper side of the bearing platform 100 is a V-shaped groove 110, a first auxiliary groove body 130 is arranged on the left side of the V-shaped groove 110, a second auxiliary groove body 140 is arranged on the right side of the V-shaped groove 110, and the extending directions of the first auxiliary groove body 130, the second auxiliary groove body 140 and the V-shaped groove 110 are the same as the extending direction of the bearing platform 100. The first auxiliary groove body 130, the second auxiliary groove body 140 and the V-shaped groove 110 can simultaneously load three drilling tools to be conveyed upwards to the drilling platform 500 or conveyed from the drilling platform 500 to the ground, so that the conveying efficiency of the drilling tools is greatly improved.
Fig. 4 is a schematic diagram of the loading principle of an active three-drill-tool conveyor according to an embodiment of the present invention.
As shown in fig. 4, a drilling tool is placed on the left pipe bridge 700, and the height of the left side of the pipe bridge 700 is adjusted to be higher than that of the right side by a hydraulic cylinder at the upper leg of the pipe bridge 700, so that the drilling tool can roll from left to right. A stopper 720 protruding upward is provided at the right end of the pipe bridge 700, and a drill is stopped at the left side of the stopper 720.
A plate turnover mechanism 710 is provided on the frame 300 near the pipe bridge 700, and the plate turnover mechanism 710 includes a plate turnover body 711, a first support cylinder 712, and a second support cylinder 713. The first support cylinder 712 has a lower end pivotally connected to the frame 300 and an upper end pivotally connected to a first end of the turning plate 711. The second supporting hydraulic cylinder 713 has a lower end pivotally connected to the frame 300 and an upper end pivotally connected to the second end of the turn-up plate 711.
In a natural state, the upper surface of the flap body 711 is located on the lower side of the upper surface of the pipe bridge 700, the first end of the flap body 711 is located on the left side of the stopper 720, and the second end of the flap body 711 extends to the left side of the first sub-slot 130.
When the drilling tool is conveyed from the pipe bridge 700 to the bearing platform 100, the first support hydraulic cylinder 712 located at the left side of the turning plate body 711 is lifted upwards, and the drilling tool is pushed to the height of the lower side of the drilling tool higher than the stop block 720, so that the drilling tool can roll rightwards along the turning plate body 711 into the first auxiliary groove body 130.
In order to transport the drilling tools from the first sub-channel 130 and the second sub-channel 140 to the V-groove 110, the active three-drilling tool transporter of the present invention is further provided with a feeding mechanism 150, wherein the feeding mechanism 150 comprises a plurality of feeding inclined plates 154 arranged in the first sub-channel 130 and the second sub-channel 140, and the feeding inclined plates 154 have inclined top inclined sides. The height of the top beveled edge on the side adjacent to the V-groove 110 is less than the height of the other side. The material loading sloping plate 154 is connected to the load-bearing platform 100 by a pin, and the extending direction of the pin is perpendicular to the extending direction of the load-bearing platform 100. The material loading swash plate 154 can rotate to first position and second position, and when the material loading swash plate 154 rotated to first position, the mechanism 710 of turning over the board can carry the drilling tool to first vice cell body 130 or the vice cell body 140 of second, when the swash plate 164 of unloading rotates to the second position, and the top swash plate of material loading swash plate 154 rotates to the upside, and the drilling tool rolls to in the V type groove 110 along the top hypotenuse.
Fig. 5 is a schematic view of the discharging principle of an active three-drill-tool conveyor according to an embodiment of the present invention.
The discharging mechanism 160 and the loading mechanism 150 of the present invention are plural and arranged along the extending direction of the loading platform 100. Preferably, the discharge mechanisms 160 and the feed mechanisms 150 are staggered along the load platform 100.
The discharging mechanism 160 is different from the loading mechanism 150 in that the direction of inclination of the top oblique side of the discharging swash plate 164 of the discharging mechanism 160 is different from that of the top oblique side of the loading swash plate 154. The top bevel of the discharge chute 164 is higher on one side of the load-bearing platform 100 than on the other side. So that the drill can roll along the top bevel edge of the discharge ramp 164 to the flipper mechanism 710 as the discharge ramp 164 is rotated to the upper side.
Fig. 6 is a schematic structural diagram of a supporting platform 100 of an active three-drill-tool conveyor according to an embodiment of the present invention and a partial enlarged view thereof.
As shown in fig. 6, the feeding mechanism 150 includes a feeding lug seat 151, a feeding cylinder 152, a feeding rotating arm 153 and a feeding sloping plate 154, the feeding lug seat 151 is fixedly connected to the supporting platform 100, the feeding rotating arm 153 is fixedly connected to the feeding sloping plate 154, preferably, an included angle is formed between the feeding sloping plate 154 and the feeding rotating arm 153, and the feeding rotating arm 153 is pivotally connected to the supporting platform 100. One end of the feeding cylinder 152 is pivotally connected to the feeding lug 151, and the other end of the feeding cylinder 152 is pivotally connected to the free end of the feeding rotating arm 153.
When the piston rod of the feeding hydraulic cylinder 152 retracts, the feeding inclined plate 154 is in a substantially horizontal state, so that the drilling tool can enter the first auxiliary groove body 130 or the second auxiliary groove body 140; when the piston rod of the loading cylinder 152 is extended, the loading swash plate 154 is in a substantially vertical state, so that the drilling tool can roll along the top oblique side of the loading swash plate 154 to the V-groove 110.
The discharging mechanism 160 comprises a discharging lug seat 161, a discharging hydraulic cylinder 162, a discharging rotating arm 163 and a discharging inclined plate 164, the structure and the principle of the discharging mechanism 160 are similar to those of the feeding mechanism 150, and only the inclined direction of the top inclined edge of the discharging inclined plate 164 is different, which is not described in detail.
In addition, as shown in fig. 3, a pulley mechanism 800 is further disposed on the load-bearing platform 100, the pulley mechanism 800 includes a first sprocket 810, a second sprocket 820, a chain, and a pulley body 830, the pulley body 830 can reciprocate along the length direction of the load-bearing platform 100, and the chain bypasses the first sprocket 810 and the second sprocket 820. The chain is fixedly connected with the trolley body 830 and is used for driving the trolley body 830 to reciprocate along the bearing platform 100. An elongated slot 113 extending along the extending direction of the bearing platform 100 is provided at the bottom of the V-shaped groove 110, and the pulley body 830 passes through the elongated slot 113 to be fixedly connected with the chain. The trolley body 830 is used for pushing the drilling tool to slide along the bearing platform 100.
Fig. 7 is a schematic structural diagram of a groove discharging mechanism 120 of an active three-drill-conveyer according to an embodiment of the present invention. Fig. 8 is a schematic structural diagram of the loading mechanism 150 and the unloading mechanism 160 of the active three-drill-tool conveyor according to an embodiment of the present invention.
The groove outlet structure comprises a first lug seat 121, a groove outlet rotating arm 122, a groove outlet hydraulic cylinder 123 and a push plate 124, the groove outlet mechanism 120 is arranged inside the bearing platform 100, the first lug seat 121 is fixedly connected with the bearing platform 100, one end of the groove outlet rotating arm 122 is pivoted with the first lug seat 121, the other end of the groove outlet rotating arm 122 is fixedly provided with the push plate 124, preferably, the groove outlet rotating arm 122 comprises a first rotating arm part 1221 and a second rotating arm part 1222, and an included angle is formed between the first rotating arm part 1221 and the second rotating arm part 1222. One end of the trough discharging hydraulic cylinder 123 is pivoted with the bearing platform 100, and the other end is pivoted with the trough discharging rotating arm 122.
The V-groove 110 includes two inclined surface portions 111, and the inclined surface portions 111 are opened with through-hole portions 112 capable of receiving the push plate 124 and allowing the out-of-groove swivel arm 122 to extend and retract. In a natural state, the push plate 124 is sunk inside the through hole part 112 or the outer surface of the push plate 124 is flush with the outer surface of the inclined surface part 111. When the piston rod of the groove discharging hydraulic cylinder 123 extends out, the groove discharging hydraulic cylinder 123 pushes the groove discharging rotating arm 122 to rotate, and then the push plate 124 pushes the drilling tool to move from the inside of the V-shaped groove 110 to the inside of the first auxiliary groove body 130 or the second auxiliary groove body 140.
It should be noted that the groove discharging mechanisms 120 are symmetrically arranged, the groove discharging mechanism 120 arranged on one side of the V-shaped groove 110 is used for pushing a drilling tool in the V-shaped groove 110 into the first sub groove body 130, and the groove discharging mechanism 120 arranged on the other side of the V-shaped groove 110 is used for pushing the drilling tool in the V-shaped groove 110 into the second sub groove body 140.
In addition, a plurality of groove discharging mechanisms 120 are arranged on both sides of the V-shaped groove 110 and are uniformly arranged along the length direction of the V-shaped groove 110.
In summary, the feeding mechanism 150 of the present invention can move the drilling tools in the first auxiliary tank 130 and the second auxiliary tank 140 into the V-shaped groove 110, and the discharging mechanism 160 can move the drilling tools in the first auxiliary tank 130 and the second auxiliary tank 140 onto the pipe bridge 700; the groove outlet mechanism 120 can push the drilling tool in the V-shaped groove 110 into the first sub-groove body 130 or the second sub-groove body 140.
The process of loading the drill is explained below. First, a first drilling tool is loaded, which is illustrated by taking the pipe bridge 700 on the left side of the frame 300 in fig. 4 as an example, and the principle is the same on the other side, the piston rod of the first supporting hydraulic cylinder 712 on the left side of the plate turnover mechanism 710 extends out, and the drilling tool rolls into the first auxiliary groove body 130 along the upper surface of the plate turnover body 711. The feeding mechanism 150 in the first auxiliary groove body 130 acts to push the feeding sloping plate 154 to overturn, the feeding sloping plate 154 rotates from a horizontal state to a vertical state, and the drilling tool rolls into the V-shaped groove 110 along the top oblique edge of the feeding sloping plate 154. The groove outlet mechanism 120 pushes the drilling tool to move from the V-shaped groove 110 to the second auxiliary groove 140. Then, a second drilling tool is loaded into the V-shaped groove 110, and a third drilling tool is loaded into the first auxiliary groove body 130, so that the loading of the three drilling tools is completed.
Referring again to fig. 1, the winch 240 pulls the load-bearing platform 100 to move towards the drilling platform 500, the end of the load-bearing platform 100 close to the drilling platform 500 moves upwards along the ramp 200, and after the right end of the supporting arm 400 moves to the limit position and is blocked, the left end of the supporting arm 400 turns upwards, so that the left end of the supporting platform 100 moves upwards until the load-bearing platform 100 moves to the final setting position.
When a drilling tool is transported from the carrier platform 100 to the drilling platform 500, the drilling tool in the V-groove 110 is first transported to the drilling platform 500 by the trolley mechanism 800. Then, the feeding mechanism 150 on the first sub-groove 130 side conveys the drilling tool in the first sub-groove 130 to the V-groove 110, and the trolley mechanism 800 conveys the drilling tool to the drilling platform 500. Finally, the feeding mechanism 150 on the second auxiliary groove body 140 side conveys the drilling tools in the second auxiliary groove body 140 to the V-shaped groove 110, and the trolley mechanism 800 conveys the drilling tools to the drilling platform 500, so that the conveying of the three drilling tools is completed.
The process of unloading the drill is explained below. The drilling tool is first conveyed to the V-shaped groove 110 by the drilling platform 500, and then moved to the first auxiliary groove body 130 and the second auxiliary groove body 140 by the groove discharging mechanism 120 in the V-shaped groove 110. After three drilling tools are loaded on the carrier platform 100, the winch 240 releases the cable 220, and the carrier platform 100 moves downward to the machine frame 300 under the supporting action of the supporting arms 400.
And starting the discharging mechanism 160 in the first auxiliary tank body 130 to convey the drilling tool in the first auxiliary tank body 130 to the pipe bridge frame 700. And then the drilling tool in the V-shaped groove 110 is conveyed to the first auxiliary groove body 130 through the groove outlet mechanism 120 in the V-shaped groove 110, and then the drilling tool in the first auxiliary groove body 130 is conveyed to the pipe bridge frame 700. Finally, the drilling tools in the second auxiliary groove body 140 are conveyed to the V-shaped groove 110 by the feeding mechanism 150 on the side of the second auxiliary groove body 140, the drilling tools in the V-shaped groove 110 are conveyed to the first auxiliary groove body 130 by the groove discharging mechanism 120 in the V-shaped groove 110, and finally the drilling tools in the first auxiliary groove body 130 are conveyed to the pipe bridge frame 700 to complete the discharge of the three drilling tools.
The bearing platform 100 moves up and down by the traction of the steel wire rope 220, if the steel wire rope 220 is broken in the process of moving up or down, safety accidents can be caused, and in addition, the invention also provides the anti-falling mechanism 210, and under the condition that the steel wire rope 220 is broken, the anti-falling mechanism 210 is started to block the bearing platform 100 from falling down, so that the safety accidents are avoided, and the use safety of the equipment is improved.
Fig. 9 is a schematic structural diagram of a fall arrest mechanism 210 according to an embodiment of the present invention.
The anti-falling mechanism 210 is arranged on the ramp 200, the anti-falling mechanism 210 comprises an anti-falling hydraulic cylinder 212, a push rod 213, a supporting seat 214 and a plurality of locking blocks 211, and the locking blocks 211 are rotatably connected with the ramp 200. The push rod 213 is pivotally connected to the plurality of locking blocks 211, and one end of the anti-falling hydraulic cylinder 212 is pivotally connected to the ramp 200, and the other end is pivotally connected to the push rod 213. When the piston rod of the anti-falling hydraulic cylinder 212 extends out, the plurality of locking blocks 211 can be pushed to rotate through the push rod 213, and the supporting fixed pin 170 (refer to fig. 3) of the bearing platform 100 can be blocked by the locking blocks 211 extending out to the ramp 200. The locking pieces 211 are multiple, so that the load-bearing platform 100 can be prevented from further falling no matter where the load-bearing platform 100 is located on the ramp 200.
The working principle of the fall prevention mechanism 210 is as follows: naturally, the locking piece 211 is hidden inside the ramp 200. After the steel wire rope 220 is broken, when the tension value detected by the tension sensor on the rope stopper 180 is smaller than a preset value, the signal is sent to the controller, and the controller drives the anti-falling hydraulic cylinder 212 to act through the hydraulic system. The anti-falling hydraulic cylinder 212 pushes the locking block 211 to rotate, and blocks and supports the fixed pin shaft 170, so that the anti-falling function is achieved.
During the ascending and descending processes of the bearing platform 100, for example, the starting of the bearing platform 100, the separation of the bearing platform 100 from the frame 300, and other transition nodes, the bearing platform 100 may shake due to the change of the force, which is easy to cause safety accidents.
The present embodiment further solves the above technical problems. Fig. 10 is a diagram illustrating the relationship between the elevation height and the elevation speed of the active three-drill-conveyer carrying platform according to an embodiment of the present invention.
The winch 240 is provided with absolute value type encoders, and the absolute value type encoders are used for calibrating the top end limit position and the bottom end limit position of the movement of the bearing platform and the height position of each transition node.
The winch 240 in this embodiment is a hydraulic winch, and the hydraulic system is provided with a proportional control valve for controlling the rotation speed of the hydraulic winch. The absolute encoder on the drawworks 240 is connected to a controller, which is connected to the hydraulic system. Thus, the controller is able to control the speed of rotation of the hydraulic winch through the hydraulic system when the load-bearing platform 100 is started, stopped, and passes through the transition node.
Specifically, in fig. 10, the graph above the abscissa axis is the ascending process of the load bearing platform 100, and the graph below the abscissa axis is the descending process of the load bearing platform 100. The following description will take the ascending process of the loading platform 100 as an example.
As shown in fig. 10, the abscissa represents the lifting height of the carrying platform, wherein 0-h 1 represents the height corresponding to the starting process of the carrying platform; h 2-h 3 represent the corresponding height of the far-end roller 115 of the bearing platform in the process of separating from the frame 300; h 4-h 5 represent the height corresponding to the detachment process of the proximal roller 114 of the carrying platform and the ramp 200; h 6-h 7 represent the height corresponding to the stopping process of the bearing platform from running to the upper end terminal.
In the height range of 0 to h1, the load-bearing platform is firstly started at a speed of V1 and accelerated to V2, wherein, when V1= (0.1 to 0.4) V2 is verified by experiments, the load-bearing platform 100 can smoothly pass through each node, and further preferably, V1= (0.2 to 0.3) V2. In the height range of h 2-h 3, the speed of the bearing platform is reduced from V2 to V1, and after the far-end roller 115 is separated from the rack 300, the bearing platform 100 is accelerated to V2; within the height range of h 4-h 5, before the near-end roller 114 of the bearing platform 100 is separated from the ramp 200, the ascending speed of the bearing platform 100 is reduced to V1 again, and after the near-end roller 114 is separated from the ramp 200, the ascending speed of the bearing platform 100 is accelerated to V2; in the process of h 6-h 7, the load-bearing platform 100 decelerates to V1 and stops at the upper extreme position.
Through experimental verification, the operation method can ensure that the bearing platform can ascend quickly, can also ensure that the bearing platform can stably pass through each transition node, and has both working efficiency and safety.
The apparatus of the present application has been described in detail with reference to the preferred embodiments thereof, however, it should be noted that those skilled in the art can make modifications, alterations and adaptations based on the above disclosure without departing from the spirit of the present application. The present application includes the specific embodiments described above and any equivalents thereof.
Claims (9)
1. Three active drilling tool conveyors, characterized by, include:
the bearing platform is provided with a V-shaped groove, a first auxiliary groove body and a second auxiliary groove body are respectively arranged on two sides of the V-shaped groove in the width direction, and the extending directions of the V-shaped groove, the first auxiliary groove body and the second auxiliary groove body are the same as that of the bearing platform;
a plurality of feeding mechanisms and a plurality of discharging mechanisms are distributed along the extending direction of the first auxiliary groove body,
the feeding mechanism comprises a feeding inclined plate which is rotatably connected with the bearing platform, a first top inclined edge is obliquely arranged on the feeding inclined plate, and when the feeding inclined plate rotates to a vertical state, the height of one side, close to the V-shaped groove, of the top inclined edge of the feeding inclined plate is lower than that of the opposite side of the top inclined edge;
the discharging mechanism comprises a discharging inclined plate which is rotatably connected with the bearing platform, a second top inclined edge which is obliquely arranged is arranged on the discharging inclined plate, and when the discharging inclined plate rotates to a vertical state, the height of one side, close to the V-shaped groove, of the top inclined edge of the discharging inclined plate is higher than that of the opposite side of the top inclined edge of the discharging inclined plate;
a plurality of groove outlet mechanisms are arranged in the V-shaped groove along the extending direction of the V-shaped groove, each groove outlet mechanism comprises a groove outlet rotating arm which is rotatably connected with the bearing platform, each groove outlet rotating arm has a first state and a second state, and in the first state, the groove outlet rotating arms are hidden in the bearing platform; in the second state, the free end of the groove outlet rotating arm can rotate to the edge of the groove body of the V-shaped groove, so that the drilling tool can be pushed out of the V-shaped groove into the first auxiliary groove body or the second auxiliary groove body;
the three drilling tool conveyors further comprise a rack, a ramp and a supporting arm, one end of the ramp is fixedly connected with the rack, the other end of the ramp is connected with the drilling platform, one end, close to the drilling platform, of the bearing platform can slide along the rack and the track on the ramp, the other end of the bearing platform is pivoted with one end of the supporting arm, and the other end of the supporting arm can slide along the track on the rack.
2. The active three drill conveyor of claim 1,
the feeding mechanism further comprises a feeding hydraulic cylinder and a feeding rotary arm, the feeding rotary arm is fixedly connected with the feeding inclined plate, one end of the feeding hydraulic cylinder is pivoted with the bearing platform, and the other end of the feeding hydraulic cylinder is pivoted with the feeding rotary arm;
the discharging mechanism comprises a discharging hydraulic cylinder and a discharging rotating arm, the discharging rotating arm is fixedly connected with the discharging inclined plate, one end of the discharging hydraulic cylinder is pivoted with the bearing platform, and the other end of the discharging hydraulic cylinder is pivoted with the discharging rotating arm.
3. The active three drill conveyor of claim 1,
at least one side of the width direction of frame is equipped with the pipe crane span structure, be equipped with panel turnover mechanism in the frame, panel turnover mechanism includes the panel turnover body, first support hydraulic cylinder and second support hydraulic cylinder, first support hydraulic cylinder with the second supports the hydraulic cylinder and is located the downside of panel turnover body, first support hydraulic cylinder with the second support hydraulic cylinder all with frame rotatable coupling, the piston rod of first support hydraulic cylinder with the one end pin joint of panel turnover body, the piston rod of second support hydraulic cylinder with the other end pin joint of panel turnover body.
4. The active three drill conveyor of claim 1,
the lower side of the bearing platform is provided with a dead rope device and a first fixed pulley, the ramp is provided with a winch and a second fixed pulley, and the free end of a steel wire rope wound on the winch bypasses the second fixed pulley and the first fixed pulley to be connected with the dead rope device.
5. The active three drill conveyor of claim 4,
the lower side of one end, close to the drilling platform, of the bearing platform is provided with a roller and a supporting fixed pin shaft, and the supporting fixed pin shaft is fixedly connected with the bearing platform; a track is arranged on the ramp, and a roller of the bearing platform is matched with the track;
the anti-falling mechanism comprises a plurality of locking blocks, the locking blocks are rotatably connected with the ramp and have a first state and a second state, and in the first state, the locking blocks are hidden at the lower side of the track of the ramp; in the second state, one end of the locking block rotates to the upper side of the track and is used for blocking the supporting and fixing pin shaft.
6. The active three drill conveyor of claim 5,
the anti-falling mechanism further comprises an anti-falling hydraulic cylinder and a push rod, and the push rod is respectively pivoted with the locking block and used for pushing the locking block to act; one end of the anti-falling hydraulic cylinder is pivoted with the ramp, and the other end of the anti-falling hydraulic cylinder is pivoted with the push rod.
7. The active three drilling tool conveyor according to claim 4, wherein the number of the first fixed pulleys and the number of the second fixed pulleys are two, two steel wire ropes are wound on the winch, and the two steel wire ropes are fixedly connected with the rope stopper by respectively winding the second fixed pulleys and the first fixed pulleys; and the dead rope device is provided with two tension sensors which are respectively connected with the two steel wire ropes.
8. The active three drilling tool conveyor of claim 1, wherein the channel discharging mechanism comprises a channel discharging hydraulic cylinder, one end of the channel discharging hydraulic cylinder is pivotally connected to the bearing platform, and the other end of the channel discharging hydraulic cylinder is pivotally connected to the channel discharging rotating arm;
a push plate is fixed at the free end of the groove outlet rotating arm; the V-shaped groove is provided with a through hole part allowing the groove outlet rotating arm to pass through; when the groove outlet rotating arm is in a first state, the upper surface of the push plate is flush with the inner surface of the V-shaped groove or lower than the inner surface of the V-shaped groove.
9. The active three drilling tool conveyor of claim 4, wherein the winch is a hydraulic winch, and an absolute encoder is arranged on the hydraulic winch and used for calibrating a top end limit position, a bottom end limit position and a transition node position of the carrying platform in the operation process; the absolute value type encoder is connected with a controller, and the controller is connected with a hydraulic winch through a hydraulic system; the controller can control the rotating speed of the hydraulic winch through a hydraulic system, and when the bearing platform runs to the top end limit position, the top end limit position and the transition node position, the ascending or descending speed of the bearing platform is controlled to be reduced.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153724A (en) * | 2014-07-14 | 2014-11-19 | 陕西启源科技发展有限责任公司 | Workover treatment string removing device |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1161427A (en) * | 1981-09-10 | 1984-01-31 | Robert Frias | Tubular handling apparatus |
| CA2518604C (en) * | 1992-04-30 | 2008-03-25 | Dreco Energy Services Ltd. | Gripper head assembly for a pipe handling system |
| CA2551901C (en) * | 2005-07-19 | 2010-12-21 | National-Oilwell, L.P. | Horizontal pipe handling system |
| CN101240695A (en) * | 2008-02-19 | 2008-08-13 | 四川宏华友信石油机械有限公司 | Petroleum well drilling boring tool conveyer device |
| CN101936141A (en) * | 2010-08-16 | 2011-01-05 | 贵州航天凯宏科技有限责任公司 | Conveying equipment of petroleum drill pipe |
| CN102140897B (en) * | 2011-04-02 | 2013-04-10 | 建湖县鸿达阀门管件有限公司 | Automatic racking device for drill rod |
| CA2792116C (en) * | 2011-10-11 | 2019-11-12 | Warrior Rig Ltd. | Portable pipe handling system |
| CN102536140A (en) * | 2012-02-13 | 2012-07-04 | 常州大学 | Automatic discharge mechanical movement mechanism for two-layer bench drill column three-joint unit of drilling machine and discharge method for automatic discharge mechanical movement mechanism |
| CN103696710B (en) * | 2012-09-28 | 2016-04-20 | 中国石油化工股份有限公司 | Aboveground working string conveying device |
| CN103306618A (en) * | 2013-06-09 | 2013-09-18 | 巴州派特罗尔石油钻井技术服务有限公司 | Casing and drilling tool conveying cableway device |
| US9551196B2 (en) * | 2014-08-26 | 2017-01-24 | Raptor Rig, Inc. | Dual device apparatus and methods usable in well drilling and other operations |
| CN104358531B (en) * | 2014-10-31 | 2016-04-13 | 山河智能装备股份有限公司 | The two rod drilling rod library of a kind of top hammer churn |
| CN105569584B (en) * | 2015-03-27 | 2017-02-08 | 中国石油化工股份有限公司 | Device and method for oil pipe automatic discharge |
| CN205382896U (en) * | 2016-03-21 | 2016-07-13 | 胜利油田胜利动力机械集团有限公司 | Drilling tool hydraulic conveying machine |
| CN205382894U (en) * | 2016-03-21 | 2016-07-13 | 胜利油田胜利动力机械集团有限公司 | Four connecting rods pipe pole conveyer |
| CN105863528A (en) * | 2016-05-31 | 2016-08-17 | 青岛杰瑞工控技术有限公司 | Sliding intelligent equipment for transferring pipe column |
| CN106939772B (en) * | 2016-11-30 | 2018-11-06 | 太原理工大学 | A kind of fire damp drilling machine automatic loading and unloading drill pipe storage |
| CN210105786U (en) * | 2019-03-19 | 2020-02-21 | 中国石油集团西部钻探工程有限公司 | Transfer rack and oil pipe transfer device |
| CN111088954A (en) * | 2020-01-20 | 2020-05-01 | 青岛贝恒智能科技有限责任公司 | Send to get rid of power catwalk machine of three drilling and production tubular columns |
| CN212027702U (en) * | 2020-03-18 | 2020-11-27 | 山东诚纳石油机械有限公司 | Automatic catwalk |
| CN111335830B (en) * | 2020-03-18 | 2022-02-22 | 山东诚纳石油机械有限公司 | Automatic catwalk and method |
| CN212154693U (en) * | 2020-04-24 | 2020-12-15 | 山东诚纳石油机械有限公司 | Two catwalks that lift |
| CN112761552B (en) * | 2020-12-28 | 2023-01-24 | 中油国家油气钻井装备工程技术研究中心有限公司 | Batch tubular column conveying device and tubular column processing method |
-
2021
- 2021-07-12 CN CN202110784001.XA patent/CN113338824B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153724A (en) * | 2014-07-14 | 2014-11-19 | 陕西启源科技发展有限责任公司 | Workover treatment string removing device |
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